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Symantec Advisory SYM07-002

by Donna Buenaventura / February 22, 2007 10:13 PM PST
February 22, 2007
Stack Overflow in Third-Party ActiveX Controls affects Multiple Vendor Products Including Some Symantec Consumer Products and Automated Support Assistant

Vulnerabilities were identified in third-party trouble-shooting ActiveX controls, developed by SupportSoft, www.supportsoft.com . Two of these controls were signed, shipped and installed with the identified versions of Symantec's consumer products and as part of the Symantec Automated Support Assistant support tool. The vulnerability identified in the Symantec shipped controls could potentially result in a stack overflow requiring user interaction to exploit. If successfully exploited this vulnerability could potentially compromise a user's system possibly allowing execution of arbitrary code or unauthorized access to system assets with the permissions of the user's browser.

Supported Symantec Product(s) Affected Product Solution(s)
Symantec Automated Support Assistant Update Available
Symantec Norton AntiVirus 2006 Update Available
Symantec Norton Internet Security 2006 Update Available
Symantec Norton System Works 2006 Update Available

Symantec Products NOT Affected Product Solution(s)
Symantec 2007 Consumer Products All
Symantec Norton 360
Symantec Corporate and Enterprise Products All

Symantec Response
Symantec worked closely with SupportSoft to ensure updates were quickly made available for the identified controls. SupportSoft has posted a Security Bulletin for the controls Symantec uses and controls used in other products on their support site, www.supportsoft.com.

Symantec immediately removed the vulnerable controls from its consumer support site. Symantec engineers tested the updates provided by SupportSoft extensively and once tested updated the Symantec Automated Support Assistant on Symantec's support site. Additionally, in November 2006, the vulnerable versions of these controls were disabled through LiveUpdate for Symantec consumer customers who regularly run interactive updates to their Symantec applications. Those Symantec consumer customers who rely solely on Automatic LiveUpdate would have received an automatic notification to initiate an interactive LiveUpdate session to obtain all pending updates. To ensure all updates have been properly retrieved and applied to Symantec consumer products, users should regularly run an interactive LiveUpdate session as follows:

Open any installed Symantec consumer product
Click on LiveUpdate in the GUI toolbar
Run LiveUpdate until all available Symantec product updates are downloaded and installed or you are advised that your system has the latest updates available.
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